File:Mesolithic petit tranchet arrowhead (ventral) (FindID 191000).jpg
Captions
Captions
Summary
[edit]| Mesolithic petit tranchet arrowhead (ventral) | |||
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| Photographer |
Royal Institution of Cornwall, Anna Tyacke, 2007-08-25 15:25:21 |
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| Title |
Mesolithic petit tranchet arrowhead (ventral) |
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| Description |
English: Flint transverse arrowhead, 'petit tranchet' type, triangular in plan, lozenge-shape in profile, and flat in section. All margins have been unifacially retouched on the dorsal face and there is a bevelled 'tranchet' edge on the right margin of the dorsal face, running from the snapped proximal end above the bulb of percussion, to the apex of the triangle at the distal end.
The flint is a mottled light to dark grey colour and has the remains of fragments of cortex at the proximal end adn at the third apex of the arrowhead, at its base, where it would have been hafted onto an arrow shaft. This suggests that it was made from a local beach pebble. The length to breadth ratio is about 1:1, which is to be expected for this type of transverse arrowhead. Bond (2004) illustrates a similar example on page 142, Fig.5.128, no.F124, which is dated to the late Mesolithic. |
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| Depicted place | (County of findspot) Cornwall | ||
| Date | between 6500 BC and 4500 BC | ||
| Accession number |
FindID: 191000 Old ref: CORN-EF5966 Filename: DSCN3866.JPG |
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| Credit line |
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| Source |
https://finds.org.uk/database/ajax/download/id/148092 Catalog: https://finds.org.uk/database/images/image/id/148092/recordtype/artefacts archive copy at the Wayback Machine Artefact: https://finds.org.uk/database/artefacts/record/id/191000 |
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| Permission (Reusing this file) |
Attribution-ShareAlike License version 4.0 (verified 30 November 2020) | ||
| Other versions |
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Licensing
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 11:24, 22 January 2017 | 1,280 × 960 (412 KB) | Fæ (talk | contribs) | Portable Antiquities Scheme, CORN, FindID: 191000, mesolithic, page 143, batch count 2511 |
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Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
| Camera manufacturer | NIKON |
|---|---|
| Camera model | E4500 |
| Exposure time | 10/193 sec (0.051813471502591) |
| F-number | f/3.2 |
| ISO speed rating | 100 |
| Date and time of data generation | 15:21, 20 August 2007 |
| Lens focal length | 13.8 mm |
| Horizontal resolution | 300 dpi |
| Vertical resolution | 300 dpi |
| Software used | E4500v1.2 |
| File change date and time | 15:21, 20 August 2007 |
| Y and C positioning | Co-sited |
| Exposure Program | Normal program |
| Exif version | 2.2 |
| Date and time of digitizing | 15:21, 20 August 2007 |
| Meaning of each component |
|
| Image compression mode | 4 |
| APEX exposure bias | 0 |
| Maximum land aperture | 2.8 APEX (f/2.64) |
| Metering mode | Center weighted average |
| Light source | Tungsten (incandescent light) |
| Flash | Flash did not fire, compulsory flash suppression |
| Supported Flashpix version | 1 |
| Color space | sRGB |
| File source | Digital still camera |
| Scene type | A directly photographed image |
